KP-41T65K, KP-41T65T, KP-48V75K, KP-53S65T, KP-53V75K - Sony TV Service Manual (repair manual). Page 3

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TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
(KP-48V75K/53V75K)
Step 1 : Installing the projection TV ....................................... 4
Step 2 : Hook up ...................................................................... 4
Step 3 : Setting up the remote control ................................... 11
Step 4 : Setting up the projection TV automatically
(AUTO SET UP) ................................................................... 12
Changing the menu language ................................................ 14
Watching the TV ................................................................... 14
Watching two programs at one time-PIP/P&P
(Twin View™)/CH INDEX ................................................... 15
Freezing the picture (FREEZE) ............................................ 16
Adjusting the picture (VIDEO) ............................................. 16
Adjusting the color temperature (TRINITONE) ................... 17
Selecting the video mode (VIDEO) ...................................... 17
Adjusting the sound (AUDIO) .............................................. 17
Using audio effect (SURROUND) ........................................ 18
Selecting stereo or bilingual programs (MTS) ...................... 18
Setting the speaker switch (SPEAKER) ............................... 19
Setting audio out (AUDIO OUT) .......................................... 19
Setting daylight saving time (DAYLIGHT SAVING) .......... 19
Setting the clock (CURRENT TIME SET) ........................... 20
Setting the timer to turn the projection TV on and off
 (ON/OFF TIMER) ............................................................... 20
Customizing the channel names (CHANNEL CAPTION) ... 20
Blocking out a channel (CHANNEL BLOCK) ..................... 21
Setting your favorite channels (FAVORITE CHANNEL) .... 21
Setting video labels (VIDEO LABEL) ................................. 22
Setting Caption Vision (CAPTION VISION) ....................... 22
Operating video equipment ................................................... 22
Operating a cable box or DBS receiver ................................. 24
Troubleshooting .................................................................... 24
Index to parts and controls .................................................... 25
(KP-41T65K/41T65T/53S65T)
Step 2 : Hook up .................................................................... 26
Watching two programs at one time-PIP ............................... 29
Freezing the picture (FREEZE) ............................................ 30
Using audio effect (SURROUND) ........................................ 30
Selecting stereo or bilingual programs (MTS) ...................... 31
Setting the speaker switch (SPEAKER) ............................... 31
Setting audio out (AUDIO OUT) .......................................... 31
Blocking out a channel (CHANNEL BLOCK) ..................... 32
Setting your favorite channels (FAVORITE CHANNEL) .... 32
Setting video labels (VIDEO LABEL) ................................. 32
Troubleshooting .................................................................... 33
Index to parts and controls .................................................... 33
2. DISASSEMBLY
2-1.
Rear Board Removal .................................................. 35
2-2.
Chassis Assy Removal ................................................ 35
2-3.
Service Position .......................................................... 35
2-4-1. HA Board Removal (KP-41T65K/41T65T) ............... 35
2-4-2. HA Board Removal (KP-53S65T) ............................. 36
2-4-3. HA Board Removal (KP-48V75K/53V75K) ............. 36
2-5-1. Beznet Assy Removal (KP-41T65K/41T65T) ........... 36
2-5-2. Beznet Assy Removal (KP-48V75K/53S65T/53V75K) ... 36
Section
Title
Page
2-6-1. Mirror Cover Assy Removal (KP-41T65K/41T65T) .. 37
2-6-2. Mirror Cover Assy Removal
(48V75K/53S65T/53V75K) ....................................... 37
2-7.
High-Voltage Cable Installation and Removal ........... 37
2-8-1. Picture Tube Removal (KP-41T65K/41T65T) ........... 38
2-8-2. Picture Tube Removal (48V75K/53S65T/53V75K) .. 38
2-9.
Wiring Drawings and Wiring Layout ......................... 39
2-10. Service stay Assy How to use and Carry Back Service
stay Assy ..................................................................... 40
(1) Picture Tube Bracket Assy Removal
      (KP-41T65K/41T65T) .......................................... 40
(2) Picture Tube Bracket Assy Removal
      (KP-48V75K/53S65T/53V75K) ........................... 41
(3) Setting of Service stay Assy
      (KP-41T65K/41T65T) .......................................... 42
(4) Install a Chassis and Carry the Picture
      Tube Bracket ......................................................... 42
3. SET-UP ADJUSTMENTS
........................................
43
4. SAFETY RELATEDP ADJUSTMENTS
................ 56
5. CIRCUIT ADJUSTMENTS
......................................
58
6. DIAGRAMS
6-1. Block Diagram (1) .......................................................... 61
Block Diagram (2) .......................................................... 63
Block Diagram (3) .......................................................... 64
Block Diagram (4) .......................................................... 67
Block Diagram (5) .......................................................... 70
6-2. Frame Schematic Diagram ............................................. 73
6-3. Circuit Boards Location ................................................. 76
6-4. Printed Wiring Boards and Schematic Diagrams ........... 76
• A Board (KP-48V75K/53V75K) ................................. 77
• A Board (KP-41T65K/41T65T/53S65T) ..................... 86
• G Board ........................................................................ 94
• PT Board .................................................................... 101
• PD Board .................................................................... 108
• CR, CG, CB Boards ................................................... 115
• HA, F, U Board .......................................................... 119
• Z Board ...................................................................... 122
6-5. Semiconductors ............................................................ 125
7. EXPLODED VIEWS
7-1. Cover (KP-41T65K/41T65T) ....................................... 127
7-2. Cover (KP-48V75K/53S65T/53V75K) ....................... 128
7-3. Chassis (KP-41T65K/41T65T) .................................... 129
7-4. Chassis (KP-48V75K/53S65T/53V75K) ..................... 130
7-5. Picture Tube (KP-41T65K/41T65T) ............................ 131
7-6. Picture Tube (KP-48V75K/53S65T/53V75K) ............. 132
8. ELECTRICAL PARTS LIST
...................................... 133
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE AN-
ODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECT-
ED TO THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 
!
 ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.
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